<!--
  This file is a part of the open-eBackup project.
  This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
  If a copy of the MPL was not distributed with this file, You can obtain one at
  http://mozilla.org/MPL/2.0/.
  
  Copyright (c) [2024] Huawei Technologies Co.,Ltd.
  
  THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
  EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
  MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
  -->

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html lang="zh-cn" xml:lang="zh-cn">
 <head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="DC.Type" content="topic">
  <meta name="DC.Title" content="脱敏规则类型说明">
  <meta name="product" content="">
  <meta name="DC.Relation" scheme="URI" content="helpcenter_000092.html">
  <meta name="prodname" content="">
  <meta name="version" content="">
  <meta name="brand" content="30-OceanProtect 备份一体机 1.5.0-1.6.0 帮助中心">
  <meta name="DC.Publisher" content="20240320">
  <meta name="documenttype" content="usermanual">
  <meta name="prodname" content="csbs">
  <meta name="DC.Format" content="XHTML">
  <meta name="DC.Identifier" content="anonymization_0020">
  <meta name="DC.Language" content="zh-cn">
  <link rel="stylesheet" type="text/css" href="public_sys-resources/commonltr.css">
  <title>脱敏规则类型说明</title>
 </head>
 <body style="clear:both; padding-left:10px; padding-top:5px; padding-right:5px; padding-bottom:5px">
  <a name="anonymization_0020"></a><a name="anonymization_0020"></a>
  <h1 class="topictitle1">脱敏规则类型说明</h1>
  <div>
   <p>本节介绍<span>本产品</span>支持的脱敏规则类型。</p>
   <p>系统预置的脱敏规则类型如<a href="#anonymization_0020__table29452017144310">表1</a>所示。</p>
   <div class="tablenoborder">
    <a name="anonymization_0020__table29452017144310"></a><a name="table29452017144310"></a>
    <table cellpadding="4" cellspacing="0" summary="" id="anonymization_0020__table29452017144310" frame="border" border="1" rules="all">
     <caption>
      <b>表1 </b>预置脱敏规则类型说明
     </caption>
     <colgroup>
      <col style="width:29.03%">
      <col style="width:70.97%">
     </colgroup>
     <thead align="left">
      <tr>
       <th align="left" class="cellrowborder" valign="top" width="29.03%" id="mcps1.3.3.2.3.1.1"><p>脱敏规则类型</p></th>
       <th align="left" class="cellrowborder" valign="top" width="70.97%" id="mcps1.3.3.2.3.1.2"><p>规则说明</p></th>
      </tr>
     </thead>
     <tbody>
      <tr>
       <td class="cellrowborder" valign="top" width="29.03%" headers="mcps1.3.3.2.3.1.1 "><p>Shuffling</p></td>
       <td class="cellrowborder" valign="top" width="70.97%" headers="mcps1.3.3.2.3.1.2 "><p><span>变换位置，多行间随机颠倒次序。适用于任意类型数据。</span></p></td>
      </tr>
      <tr>
       <td class="cellrowborder" valign="top" width="29.03%" headers="mcps1.3.3.2.3.1.1 "><p>Format-Preserving</p></td>
       <td class="cellrowborder" valign="top" width="70.97%" headers="mcps1.3.3.2.3.1.2 "><p><span>使用格式保留加密算法对字符串加密，密文字符范围由参数指定。仅适用于字符型数据。</span></p></td>
      </tr>
      <tr>
       <td class="cellrowborder" valign="top" width="29.03%" headers="mcps1.3.3.2.3.1.1 "><p>Full-Mask</p></td>
       <td class="cellrowborder" valign="top" width="70.97%" headers="mcps1.3.3.2.3.1.2 "><p><span>将敏感信息全部掩盖，掩盖字符和掩盖后字符长度由参数指定。仅适用于字符型数据。</span></p></td>
      </tr>
      <tr>
       <td class="cellrowborder" valign="top" width="29.03%" headers="mcps1.3.3.2.3.1.1 "><p>Partial-Mask</p></td>
       <td class="cellrowborder" valign="top" width="70.97%" headers="mcps1.3.3.2.3.1.2 "><p><span>掩盖敏感信息中的部分内容，掩盖字符、掩盖起止位置、掩盖后字符长度由参数指定。仅适用于字符型数据。</span></p></td>
      </tr>
      <tr>
       <td class="cellrowborder" valign="top" width="29.03%" headers="mcps1.3.3.2.3.1.1 "><p>PII-Type</p></td>
       <td class="cellrowborder" valign="top" width="70.97%" headers="mcps1.3.3.2.3.1.2 "><p><span>用识别出的敏感数据名称替换敏感数据内容。仅适用于字符型数据。</span></p></td>
      </tr>
      <tr>
       <td class="cellrowborder" valign="top" width="29.03%" headers="mcps1.3.3.2.3.1.1 "><p>Numeric-Range</p></td>
       <td class="cellrowborder" valign="top" width="70.97%" headers="mcps1.3.3.2.3.1.2 "><p><span>从指定范围内随机选择一个数值替换原数值，数值范围由参数指定。仅适用于数值型数据。</span></p></td>
      </tr>
      <tr>
       <td class="cellrowborder" valign="top" width="29.03%" headers="mcps1.3.3.2.3.1.1 "><p>Fixed-Number</p></td>
       <td class="cellrowborder" valign="top" width="70.97%" headers="mcps1.3.3.2.3.1.2 "><p><span>使用指定数值替换原数值，指定数值由参数指定。仅适用于数值型数据。</span></p></td>
      </tr>
      <tr>
       <td class="cellrowborder" valign="top" width="29.03%" headers="mcps1.3.3.2.3.1.1 "><p>Noise-Adding</p></td>
       <td class="cellrowborder" valign="top" width="70.97%" headers="mcps1.3.3.2.3.1.2 "><p><span>在原有的数值的基础上增加或减少一个随机数。仅适用于数值型数据。</span></p></td>
      </tr>
     </tbody>
    </table>
   </div>
  </div>
  <div>
   <div class="familylinks">
    <div class="parentlink">
     <strong>父主题：</strong> <a href="helpcenter_000092.html">数据脱敏</a>
    </div>
   </div>
  </div>
 </body>
</html>